Leading American lawmakers expressed reservations about a law that could significantly curb Palestinian terrorism.

It's a done deal, yet opponents of the Iran nuclear agreement refuse to give in quietly. The dangers of a nuclear Iran are just too great.

Iran threatened the International Atomic Energy Agency head with harm if he reveals the contents of their secret agreement, which, Congress fears, could be inadequate in preventing Tehran from obtaining a nuclear weapon.

Members of Congress are frustrated at the Obama administration's lack of transparency with regard to side agreements between the IAEA and Iran concerning nuclear inspections.

Senators urged Obama to postpone a UN vote on the Iran deal until after Congress reviews it, in accordance with his own statements.

The Iran nuclear deal President Obama has approved now faces a 60-day review in Congress. Will Congress also approve it? Obama has already said he would veto any opposition to the deal.

With only 24 hours to deadline, the talks between Iran and the P5+1 powers appear deadlocked, with both sides skeptical on the prospects of progress, citing significant gaps on several crucial issues.

Iran and the P5+1 powers remain far from a deal as the nuclear negotiations deadline looms. The US Senate will wait until after the deadline to consider its next steps regarding sanctions.

By unveiling new legislation, Congress continues its attempt to prevent the Obama administration from finalizing a deal with Iran that would threaten the world.